package com.itheima.shop;

/**
 * @author wangyoucheng
 * @date 2025/9/26
 * @description TOD0
 */

/**
 * 银牌会员
 */
public class SilverMemberDiscount implements DiscountStrategy{
    @Override
    public double calculate(Double price) {
        return 0.8*price;
    }
}
